[Gmsh] Useless nodes

[Christophe Geuzaine]

Didier Vigneron wrote:
> Hello,
> 
> Is it possible that some nodes, that are present 
> in the list of nodes in the .msh file, do not 
> belong to any mesh elements or physical entities ?

Yes.

(We might change this behavior in the future, but at the moment we save 
one vertex for each geometrical point. Thus we save vertices associated 
with rotation centers, spline control points, etc., even if they do not 
belong to any element.)


> 
> Best regards,
> 
> 
>          Didier Vigneron
> 
> 
> --------------------------------------------------------
> Didier Vigneron - Assistant
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine